Gaya APA
Schechter, R.S. (1967).
The Variational Methode in Engineering .
USA:
McGraw-Hill.
Gaya Chicago
Schechter, R.S.
The Variational Methode in Engineering.
USA:
McGraw-Hill,
1967.
Text.
Gaya MLA
Schechter, R.S.
The Variational Methode in Engineering.
USA:
McGraw-Hill,
1967.
Text.
Gaya Turabian
Schechter, R.S.
The Variational Methode in Engineering.
USA:
McGraw-Hill,
1967.
Print.